Whynter ARC-EH-TYPE-L-S-SET V2 Intake and Exhaust hose set for Portable Air Conditioner Models ARC-110WD & ARC-131GD Whynter V2 Intake and Exhaust hose set for Portable Air Conditioner Models ARC-110WD & ARC-131GD Large exhaust hose 5.9" diameter and Small intake hose 5.0" diameter Extendable up to 59"